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Dual of (x +y)(x'*1) is...

Dual of (x +y)`(x'*1)` is

A

`(x * y ) + (x' + 1)`

B

`(x * y) (x' + 1)`

C

`(x * y ) + (x + 1)`

D

None of these

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Verified by Experts

The correct Answer is:
A
Dual of ` (x + y) * ( x' * 1)` is obtained by replacing +by `*` and `*` by ie dual is `(x * y) + (x' + 1)`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MHTCET 2010-Mathematics
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